Ticket #24725: 24725-test.diff

tests/migrations/test_operations.py

@@ -614 +614 @@
         self.assertEqual(Rider.objects.count(), 2)
         self.assertEqual(Pony._meta.get_field('riders').remote_field.through.objects.count(), 2)
 
+    def test_rename_m2m_target_model(self):
+        app_label = "test_rename_m2m_target_model"
+        project_state = self.apply_operations(app_label, ProjectState(), operations=[
+            migrations.CreateModel("Rider", fields=[]),
+            migrations.CreateModel("Pony", fields=[
+                ("riders", models.ManyToManyField("Rider")),
+            ]),
+        ])
+#        Pony = project_state.apps.get_model(app_label, "Pony")
+#        Rider = project_state.apps.get_model(app_label, "Rider")
+#        pony = Pony.objects.create()
+#        rider = Rider.objects.create()
+#        pony.riders.add(rider)
+
+        project_state = self.apply_operations(app_label, project_state, operations=[
+            migrations.RenameModel("Rider", "Rider2"),
+        ])
+#        Pony = project_state.apps.get_model(app_label, "Pony2")
+#        Rider = project_state.apps.get_model(app_label, "Rider")
+#        pony = Pony.objects.create()
+#        rider = Rider.objects.create()
+#        pony.riders.add(rider)
+#        self.assertEqual(Pony.objects.count(), 2)
+#        self.assertEqual(Rider.objects.count(), 2)
+#        self.assertEqual(Pony._meta.get_field('riders').remote_field.through.objects.count(), 2)
+
     def test_add_field(self):
         """
         Tests the AddField operation.